2x UHF Wireless Headset Microphone Receiver The UHF wireless head microphone with receiver is a reliable solution for professionals and amateurs looking for high-quality sound and freedom of movement during presentations or performances. With UHF technology, it provides clear transmission without interference, and the compact design makes it comfortable to wear. An excellent choice for people who value mobility and reliability while doing their job. Specification: Frequency Range: 2,400GHz - 2,483GHz Sensitivity: -35dB Battery: 450mAh Working time: 15 hours Range: 30 Masa transmitter: 30g A - charging port B - switch C - 80mm Service: Volume "-" (silence) Charging port Switch Volume "" (soundproof) Plug- and -play The kit is very easy to use. The transmitters automatically pair with the receiver. Simply connect the receiver to the target device (amplifier, speaker, thank you card), turn on the receiver and transmitters and you can start using the kit. Multiplicity of applications: The set includes: 2x transmitter 1x receiver adapter mini-jack (3,5mm) - jack (6,3mm) charging cable original box